ブルーデー

noun

menstrual period days

Euphemistic wasei-eigo from English 'blue day', referring to the days of menstruation. Often used in feminine product contexts or casual conversation.

wasei-eigo (Japanese-coined English), from blue day

• ブルーデーには体たい調ちょうが優すぐれないことが多おおい。

  I often feel unwell during my period.

• ブルーデー用ようのナプキンを買かいに行いく。

  I go to buy sanitary pads for my period.